How to access Profile History
Some changes to the user can create a log and it becomes part of a history in the Profile History. To access it, you need to go to Edit > Profile History on a specific user.
Understanding Profile History Columns
Date: when the change in the user was made
Field: the user field that was changed
Previous: the previous information that the field had
Current: the current/changed information that the field has
Changed by: who made this change